Remove descriptions of scripts that have been removed due to

obsolescence.

utilities/README.txt

@@ -13,17 +13,3 @@ To get detailed usage information, run any of these scripts without arguments:
     The testrunner utility is used to execute PyUnit test suites. You can
     find more information on PyUnit at http://pyunit.sourceforge.net. This
     utility should be run from the root of your Zope installation.
-
-The following scripts are for use with the old BoboPOS 2 fileformat.
-
-  fixbbbts.py -- Fix database time stamps
-
-    Sometimes, problems with system clocks can cause invalid time stamps
-    to be written to databases.  The fixbbbts script can be used to
-    shift invalid times in the database to make them valid.
-
-  bbb.py -- Read and summarize a Zope database.
-
-    This script illustrates how to read a database file outside of
-    Zope and provides a number of options for finding bad data and
-    generating reports of data.